Cautery artefact

Cautery artefact, also cautery/crush artefact and crush artefact, is common mimic of disease.

Microscopic

Features:

• Elongated thin toothpick-like nuclei.

DDx:

• Dysplasia - adenomatous polyps
• Electrocution.

Images

www:

• cautery artefact (unibas.ch).

IHC

• Ki-67 - absent/minimal staining.
  • Stains adenomatous polyps.

Sign out

DESCENDING COLON, BIOPSY:
- COLONIC MUCOSA WITH EXTENSIVE CAUTERY/CRUSH ARTEFACT -- LIMITING INTERPRETATION.
- NO APPARENT DYSPLASIA.

See also

• Basics.